From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- Documentation/ABI/testing/sysfs-class-led | 37 +++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-led (limited to 'Documentation/ABI/testing/sysfs-class-led') diff --git a/Documentation/ABI/testing/sysfs-class-led b/Documentation/ABI/testing/sysfs-class-led new file mode 100644 index 00000000..3646ec85 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led @@ -0,0 +1,37 @@ +What: /sys/class/leds//brightness +Date: March 2006 +KernelVersion: 2.6.17 +Contact: Richard Purdie +Description: + Set the brightness of the LED. Most LEDs don't + have hardware brightness support so will just be turned on for + non-zero brightness settings. The value is between 0 and + /sys/class/leds//max_brightness. + +What: /sys/class/leds//max_brightness +Date: March 2006 +KernelVersion: 2.6.17 +Contact: Richard Purdie +Description: + Maximum brightness level for this led, default is 255 (LED_FULL). + +What: /sys/class/leds//trigger +Date: March 2006 +KernelVersion: 2.6.17 +Contact: Richard Purdie +Description: + Set the trigger for this LED. A trigger is a kernel based source + of led events. + You can change triggers in a similar manner to the way an IO + scheduler is chosen. Trigger specific parameters can appear in + /sys/class/leds/ once a given trigger is selected. + +What: /sys/class/leds//inverted +Date: January 2011 +KernelVersion: 2.6.38 +Contact: Richard Purdie +Description: + Invert the LED on/off state. This parameter is specific to + gpio and backlight triggers. In case of the backlight trigger, + it is useful when driving a LED which is intended to indicate + a device in a standby like state. -- cgit v1.2.3